#427AB4

#427AB4

Color Values

HEX

#427AB4

RGB

66, 122, 180

HSL

210.5, 46.3%, 48.2%

HSV

210.5, 63.3%, 70.6%

CMYK

63.3%, 32.2%, 0.0%, 29.4%

OKLCH

0.5677 0.1081 251.0

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#427AB4

#B47C42

Analogous

#42B3B4

#4342B4

#427AB4

Triadic

#427AB4

#B4427A

#7AB442

Split Complementary

#427AB4

#B44342

#B3B442

Tetradic

#427AB4

#B442B3

#B47C42

#42B443

Color Blindness Simulation

Original

#427AB4

Protanopia

#5A5BA6

Deuteranopia

#5753A3

Tritanopia

#459B98

Achromatopsia

#727272

CSS Usage

background-color: #427AB4;
color: #427AB4;
border-color: #427AB4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDBEC
300
#A5C1DE
400
#75A0CC
500
#447FBB
600
#376595
700
#2C5177
800
#223F5D
900
#1C3045
950
#121E2B

Contrast Checker

Text on white

4.49:1

AA Fail AAA Fail

Text on black

4.67:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026